Home / 769,174.81-1,061,201.41-446,619.65

Finding the Fourth Proportional to 769,174.81, 1,061,201.41 and 446,619.65

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Solution

The fourth proportional to 769,174.81, 1,061,201.41 and 446,619.65 is: 616,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,174.81 : 1,061,201.41 = 446,619.65 : x
  2. Step 2: Convert to fraction form
    769,174.81/1,061,201.41 = 446,619.65/x
  3. Step 3: Cross multiply
    769,174.81x = 1,061,201.41 × 446,619.65
  4. Step 4: Simplify right side
    769,174.81x = 473,953,395,891.15
  5. Step 5: Solve for x
    x = 473,953,395,891.15/769,174.81
  6. Step 6: Final answer
    x = 616,184.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.